# On Time vs ZeroIn

The clearest difference is update cadence: On Time at every 2 days against ZeroIn's every 5 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. On Time sells 3 one-off in-app purchases and ZeroIn sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On Time ships an update every 2 days, ZeroIn every 5 days. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | On Time | ZeroIn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (24 ratings)](https://appshunter.io/ios/app/on-time-timer-game/id6758968921/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | Free | — |
| Size | 71 MB | 53 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Byung Hun Lee](https://appshunter.io/developer/1873891172) | [Emre ALTUN](https://appshunter.io/developer/1852335131) |

## What reviewers say

### On Time

[App page](https://appshunter.io/ios/app/on-time-timer-game/id6758968921)

Test your internal clock by stopping a timer at precisely 10 seconds. Compete globally with three distinct game modes and unlockable themes. It's a simple yet challenging game of timing and focus.

**Highlights:** One-tap gameplay, Three distinct game modes, Extended precision timing, Global leaderboards, Unlockable themes, Daily challenges

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Stars | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 60 Stars | $4.99 | one-time |


### ZeroIn

[App page](https://appshunter.io/ios/app/zeroin-time-challenge/id6788565326)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Life Refill | $1.99 | one-time |
| Remove Ads | $3.99 | one-time |
| ZeroIn Pro | $9.99 | one-time |


## Frequently asked questions

### Is On Time free?

On Time is free to download, with in-app purchases available.

### Is ZeroIn free?

ZeroIn is free to download, with in-app purchases available.

### Do On Time or ZeroIn have ads?

Both On Time and ZeroIn show ads.

### Which is updated more often, On Time or ZeroIn?

On Time ships an update every 2 days, and ZeroIn every 5 days. Most recently, On Time was updated on September 18, 2026 and ZeroIn on September 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*